User`s guide

ZyXEL MAX-200M1 Series User’s Guide
Chapter 21 Troubleshooting 207
21.5 Problems Accessing the ZyXEL Device
21.5.1 Pop-up Windows, JavaScripts and Java Permissions
In order to use the web configurator you need to allow:
• Web browser pop-up windows from your device.
• JavaScripts (enabled by default).
• Java permissions (enabled by default).
Note: Internet Explorer 6 screens are used here. Screens for other Internet Explorer
versions may vary.
Table 90 Troubleshooting Accessing Your Device
PROBLEM CORRECTIVE ACTION
I cannot
access the
ZyXEL Device.
The default password is “1234”. The Password field is case-sensitive. Make sure that
you enter the correct password, using the proper casing.
If you have changed the password and have now forgotten it, you will need to upload
the default configuration file. This restores all of the factory defaults including the
password.
I cannot
access the
web
configurator.
Make sure that there is not a telnet session running.
Use the ZyXEL Device’s WAN IP address when configuring from the WAN. Refer to
the instructions on checking your WAN connection.
Use the ZyXEL Device’s LAN IP address when configuring from the LAN. Refer to for
instructions on checking your LAN connection.
Your computer’s and the ZyXEL Device’s IP addresses must be on the same subnet
for LAN access.
If you changed the ZyXEL Device’s LAN IP address, then enter the new one as the
URL.
See the following section to check that pop-up windows, JavaScripts and Java
permissions are allowed.
You may also need to clear your Internet browser’s cache.
In Internet Explorer, click Tools and then Internet Options to open the Internet
Options screen.
In the General tab, click Delete Files. In the pop-up window, select the Delete all
offline content check box and click OK. Click OK in the Internet Options screen to
close it.
If you disconnect your computer from one device and connect it to another device that
has the same IP address, your computer’s ARP (Address Resolution Protocol) table
may contain an entry that maps the management IP address to the previous device’s
MAC address).
In Windows, use arp -d at the command prompt to delete all entries in your computer’s
ARP table.
I cannot
remotely
manage the
ZyXEL Device
from the LAN
or WAN.
Refer to Chapter 21 on page 205 for scenarios when remote management may not be
possible.
Use the ZyXEL Device’s WAN IP address when configuring from the WAN.
Use the ZyXEL Device’s LAN IP address when configuring from the LAN.